package com.video.web.controller.common;

import com.video.common.core.controller.BaseController;
import com.video.common.oss.AliyunOSSClientUtil;
import com.video.common.utils.uuid.IdUtils;
import com.video.video.domain.DGoods;
import com.video.video.service.IDGoodsService;
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.collections4.CollectionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.video.common.config.RuoYiConfig;
import com.video.common.constant.Constants;
import com.video.common.core.domain.AjaxResult;
import com.video.common.utils.StringUtils;
import com.video.common.utils.file.FileUploadUtils;
import com.video.common.utils.file.FileUtils;
import com.video.framework.config.ServerConfig;

/**
 * 通用请求处理
 *
 * @author ruoyi
 */
@RestController
@RequestMapping("/common")
public class CommonController extends BaseController
{
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ServerConfig serverConfig;

    private static final String FILE_DELIMETER = ",";
    @Autowired
    private IDGoodsService dGoodsService;

    /**
     * 通用下载请求
     *
     * @param fileName 文件名称
     * @param delete 是否删除
     */
    @GetMapping("/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
    {
        try
        {
            if (!FileUtils.checkAllowDownload(fileName))
            {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = RuoYiConfig.getDownloadPath() + fileName;

            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete)
            {
                FileUtils.deleteFile(filePath);
            }
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }

    /**
     * 通用上传请求（单个）
     */
    @PostMapping("/upload")
    public AjaxResult uploadFile(MultipartFile file) throws Exception
    {
        try
        {
            //上传到服务器
            // 上传文件路径
//            String filePath = RuoYiConfig.getUploadPath();
            // 上传并返回新文件名称
//            String fileName = FileUploadUtils.upload(filePath, file);
//            String url = serverConfig.getUrl() + fileName;
//            AjaxResult ajax = AjaxResult.success();
//            ajax.put("url", url);
//            ajax.put("fileName", fileName);
//            ajax.put("newFileName", FileUtils.getName(fileName));
//            ajax.put("originalFilename", file.getOriginalFilename());
//
//            log.info("url： "+url);
//            log.info("fileName： "+fileName);
//            log.info("newFileName： "+FileUtils.getName(fileName));
//            log.info("originalFilename： "+file.getOriginalFilename());
//            return ajax;

              //上传阿里云OSS
            String filename=file.getOriginalFilename();
            byte[] bytes=file.getBytes();
            InputStream is = new ByteArrayInputStream(bytes);
            String ContentType=filename.substring(filename.lastIndexOf(".")+1);
            log.info("文件格式： "+ContentType);
            Long Size=file.getSize();
            String url2 = AliyunOSSClientUtil.uploadObject2OSS(is,filename,Size);
            StringBuilder sb = new StringBuilder(url2);
            sb.replace(0, 51, String.valueOf("http://iyuanchuang.cn"));
            log.info("url2： "+url2);
            log.info("url2： "+sb.toString());
            AjaxResult ajax = AjaxResult.success();
            ajax.put("url", sb.toString());
            ajax.put("fileName", sb.toString());
            ajax.put("newFileName", sb.toString());
            ajax.put("originalFilename", sb.toString());
//            ajax.put("fileName", url2.substring(51));
//            ajax.put("newFileName", url2.substring(58));
//            ajax.put("originalFilename", url2.substring(58));
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /***
     * 批量上传视频并初始化商品
     * @param files
     * @return
     * @throws Exception
     */
    @PostMapping("/uploadFiles1")
    public AjaxResult uploadFiles1(List<MultipartFile> files) throws Exception
    {
        try
        {
            List<DGoods> goodsList=new ArrayList<>();
            List<String> urls = new ArrayList<String>();
            List<String> fileNames = new ArrayList<String>();
            List<String> newFileNames = new ArrayList<String>();
            List<String> originalFilenames = new ArrayList<String>();
            for (MultipartFile file : files) {
                String filename = file.getOriginalFilename();
                byte[] bytes = file.getBytes();
                InputStream is = new ByteArrayInputStream(bytes);
                String ContentType = filename.substring(filename.lastIndexOf(".") + 1);
                log.info("文件格式： " + ContentType);
                Long Size = file.getSize();
//                String url = AliyunOSSClientUtil.uploadFileOSS(is, filename, Size);
                String url = AliyunOSSClientUtil.uploadObject2OSS(is, filename, Size);
                StringBuilder sb = new StringBuilder(url);
                sb.replace(0, 51, String.valueOf("http://iyuanchuang.cn"));

                DGoods good=new DGoods();
                Long userId = getLoginUser().getUserId();
                good.setCreateBy(String.valueOf(userId));
                good.setDownloadFlg("1");//下载标记 1 未下载 2 已下载
                good.setGoodName(filename);
                good.setVideoUrl(sb.toString());
                goodsList.add(good);

                urls.add(url);
                fileNames.add(filename);
                newFileNames.add(FileUtils.getName(filename));
                originalFilenames.add(file.getOriginalFilename());
            }

            if (CollectionUtils.isNotEmpty(goodsList)) {
                for (DGoods good : goodsList) {
                    dGoodsService.insertDGoods(good);
                }
            }



            AjaxResult ajax = AjaxResult.success();
            ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
            ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
            ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
            ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传请求（多个）
     */
    @PostMapping("/uploads")
    public AjaxResult uploadFiles(List<MultipartFile> files) throws Exception
    {
        try
        {
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            List<String> urls = new ArrayList<String>();
            List<String> fileNames = new ArrayList<String>();
            List<String> newFileNames = new ArrayList<String>();
            List<String> originalFilenames = new ArrayList<String>();
            for (MultipartFile file : files)
            {
                // 上传并返回新文件名称
                String fileName = FileUploadUtils.upload(filePath, file);
                String url = serverConfig.getUrl() + fileName;
                urls.add(url);
                fileNames.add(fileName);
                newFileNames.add(FileUtils.getName(fileName));
                originalFilenames.add(file.getOriginalFilename());
            }
            AjaxResult ajax = AjaxResult.success();
            ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
            ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
            ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
            ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception
    {
        try
        {
            if (!FileUtils.checkAllowDownload(resource))
            {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = RuoYiConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }
}
